28920033

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3269

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 15895647

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 3191, 9063, 9573, 28719, 60629, 169123, 181887, 507369, 545661, 1522107, 3213337, 9640011, 28920033]

約数ペア:

[(1, 28920033), (3, 9640011), (9, 3213337), (19, 1522107), (53, 545661), (57, 507369), (159, 181887), (171, 169123), (477, 60629), (1007, 28719), (3021, 9573), (3191, 9063)]